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dc.contributor.authorYang, Jiawei
dc.contributor.authorBao, Sarina
dc.contributor.authorAkhtar, Shahid
dc.contributor.authorLi, Yanjun
dc.identifier.citationMetallurgical and Materials Transactions B. 2021, 52 2497-2508.en_US
dc.description.abstractIn this work, a systematic study on the interactions between aluminum oxide films and TiB2 grain refiner particles and their effect on grain refinement behavior have been conducted. Oxide f ilms were introduced into a commercial purity aluminum melt by adding AA 6061 alloy chips while the grain refiner particles were introduced by adding Al-3T-1B master alloy. Strong sedimentation of TiB2 grain refiner particles was observed in aluminum melt without chip addition during long-time settling. Most of the TiB2 particles were settled and accumulated at the bottom of crucible. In contrast, the sedimentation of TiB2 particles is much less in the melt with the addition of oxide films. A large fraction of TiB2 particles were found to be adhered to the oxide films located at the top part of the crucible, which inhibited the sedimentation of grain refiner particles. TP-1 type tests were also done to study the grain refinement efficiency of Al-3Ti-1B master alloy under different melt cleanliness and settling time. It is found that sedimentation of TiB2 particles greatly reduces the grain refinement efficiency. The introduction of oxide films seems to slightly alleviate the fading effect. This is owing to the strong adherence between the oxide films and TiB2 particles, which leads to a retardation of particle sedimentation.en_US
dc.publisherSpringer Natureen_US
dc.rightsNavngivelse 4.0 Internasjonal*
dc.titleThe Interactions Between Oxide Film Inclusions and Inoculation Particles TiB2 in Aluminum Melten_US
dc.typePeer revieweden_US
dc.typeJournal articleen_US
dc.rights.holderCopyright: The Author(s) 2021en_US
dc.source.journalMetallurgical and Materials Transactions Ben_US
dc.relation.projectNorges forskningsråd: 256724en_US

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